1#!/usr/bin/python 2from topology import * 3 4T = Topology() 5net1 = Network(T, "pyt0") 6 7#h1 = Host(T, net1) 8h2 = Host(T, net1, args="ping:172.16.1.1:") 9 10sleep(1) 11start(T) 12 13wait(h2) 14cleanup() 15